NITNo10ItemNo3

Making temporary arrangement of heavy duty jack for proper support of suction, delivery and 900 mm dia header line before removing of damaged 20 nos MS supporting pillar and 18 nos CC foundation support and making temporary platforms to execute the work inside the dry sump. The job also includes dismantling of temporary heavy support and platforms after execution of work. The work is to be executed through expert skilled & unskilled staff including tools and trackless as per site requirement, with all safety items and to avoid any kind of accidents to Man/Machinery/ Material during the execution of work.

Dismantling of the existing rusted & damaged MS supporting pillar of header line in dry sump at Narela SPS, from the RCC foundation by cutting with the gas cutter and taking out upto floor level as per direction of engineer in charge.

Strengthening of MS supports by welding new m.s. channels, plates, strips etc. after fabrication as per site requirement for 20 nos MS supporting pillars for main header lines & delivery lines and strengthening of stair for approaching to sluice valve, in dry sump. The work is to be executed through expert skilled & unskilled manpower, required tools & tackles and following materials :- MS Channel size - 2.5" X 5" X 8 mm MS Base plate of support pillar - 2 feet X 2 feet X 8 mm MS strip for jointing two channels- 15" X 5" X 6 mm MS plate for support - 1 feet X 1 feet X 16 mm MS Channel size - 5" X 10" X 8 mm MS Base plate -2.5 feet X 2.5 feet X 8 mm MS Angle - 1.5" X 1.5" X 6 mm The work done as per DSR 2021 Item code 10.2. Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. (Payment will be done as per actual work at site).

Repairing of RCC foundation of MS supporting pillar of size 2.5 feet X 2.5 feet X 6 inch, including work of making proper foundation bolt-pocket with the help of hydraulic drilling machine and grouting of SS foundation bolts in RCC foundation as per site requirement.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 meters lead as per direction of Engineer - in - charge. (size W 2.5 feet X L 3 feet X H 5 feet) of 12 nos CC supporting pillar of suction line & 6 nos of delivery lines in dry sump. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) DSR 2021 Item code : 15.2.1

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Mild steel and Medium Tensile steel bars (Bar size 12 mm and 8 mm), (supporting pillar with foundation of size W 2.5 feet X L 3 feet X H 5 feet) for Making of 12 nos RCC supporting pillar for suction line and 6 nos delivery lines in dry sump DSR 2021 Item Code 5.22.1 (Payment will be done as per actual work at site).

Recasting of RCC foundation support (size W 2.5 feet X L 3 feet X H 5 feet) of 12 nos suction lines & 6 nos delivery lines in dry sump including grouting of S.S. foundation bolts in the R.C.C. foundation support of delivery line. As per DSR 2021 Item Code 4.1.3, providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Supply/fabrication of new S.S. foundation nut-bolt of size 30 mm x 400 mm by turning, threading & finishing as per site requirement in each Foundation.

Painting of the complete MS support system by minimum two coat of enamel paint of required shade & colour as per DJB colour code.

To & Fro charges including loading and unloading at site.

SANJAY SALES CORPORATION (BID ID -1552785)

AVINAV TRADERS (BID ID -1552611)

M/s S.G. Enterprises (BID ID -1552689)

Raj Engineering Co. (BID ID -1552687)

Jal Dhara Engineers India (BID ID -1552772)